Home / 11,708.73-16,152.35-7,976.25

Finding the Fourth Proportional to 11,708.73, 16,152.35 and 7,976.25

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Solution

The fourth proportional to 11,708.73, 16,152.35 and 7,976.25 is: 11,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.73 : 16,152.35 = 7,976.25 : x
  2. Step 2: Convert to fraction form
    11,708.73/16,152.35 = 7,976.25/x
  3. Step 3: Cross multiply
    11,708.73x = 16,152.35 × 7,976.25
  4. Step 4: Simplify right side
    11,708.73x = 128,835,141.81
  5. Step 5: Solve for x
    x = 128,835,141.81/11,708.73
  6. Step 6: Final answer
    x = 11,003.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.